Common Stock, par value $0.0001 par value

SYNCHRONOSS TECHNOLOGIES INC

1. B. Riley Financial, Inc. ("BRF") 2. B. Riley Securities, Inc. ("BRS") 3. B. Riley Principal Investments, LLC ("BRPI"); and 4. Bryant R. Riley

11100 Santa Monica Blvd., Suite 800, Los Angeles, California 90025.

The principal business of BRF is serving as a holding company. Set forth on Schedule A annexed hereto ("Schedule A") is the name and present principal business, occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and the citizenship of the executive officers and directors of BRF. To the best of BRF's knowledge, except as otherwise set forth herein, none of the persons listed on Schedule A beneficially owns any securities of the Issuer or is a party to any contract, agreement, or understanding required to be disclosed herein. The principal business of BRS is serving as a broker dealer. The principal business of BRPI is investing in securities. Bryant R. Riley, an individual, is the Co-Chief Executive Officer and Chairman of the Board of Directors of BRF.

During the last five years, none of the Reporting Persons nor any person listed on Schedule A have been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Delaware, United States of America

1. As of the date hereof, BRPI beneficially owned directly 15,000 shares of Common Stock. BRF is the parent company of BRPI. As a result, BRF may be deemed to indirectly beneficially own the Shares held by BRPI. 2. As of the date hereof, BRS beneficially owned directly 496,474 shares of Common Stock. As previously disclosed, on March 11, 2025, BRF effected a transaction pursuant to which BRF separated B. Riley Securities Holding, LLC ("BRSH"), the parent company of BRS, from BRF. As a result of the transaction, BRS implemented its own operating and governance structure and established a board of directors independent from BRF. As a result, BRF is no longer the beneficial owner of the Shares held by BRS. 3. Bryant R. Riley may be deemed to indirectly beneficially own 6,092 shares of Common Stock, of which (i) 5,000 are held jointly with his wife, Carleen Riley, (ii) 273 are held as sole custodian for the benefit of Abigail Riley, (iii) 273 are held as sole custodian for the benefit of Charlie Riley, (iv) 273 are held as sole custodian for the benefit of Eloise Riley, and (v) 273 are held as sole custodian for the benefit of Susan Riley. Bryant R. Riley may also be deemed to indirectly beneficially own the 15,000 shares of Common Stock held directly by BRPI in the manner specified in paragraph (1) above. Bryant R. Riley disclaims beneficial ownership of the shares held by BRPI in each case except to the extent of his pecuniary interest therein.

The information contained on the cover pages to this Amendment is incorporated herein by reference.

Except for the transactions described in Schedule B of this Amendment, the Reporting Persons have not engaged in any transaction during the past 60 days involving the Common Stock of the Issuer.

None.

As of the date hereof, the Reporting Persons ceased to be the beneficial owner of more than five percent of the Issuer's Common Stock.